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Finding the Fourth Proportional to 224,064.16, 336,152.88 and 66,292

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Solution

The fourth proportional to 224,064.16, 336,152.88 and 66,292 is: 99,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,064.16 : 336,152.88 = 66,292 : x
  2. Step 2: Convert to fraction form
    224,064.16/336,152.88 = 66,292/x
  3. Step 3: Cross multiply
    224,064.16x = 336,152.88 × 66,292
  4. Step 4: Simplify right side
    224,064.16x = 22,284,246,720.96
  5. Step 5: Solve for x
    x = 22,284,246,720.96/224,064.16
  6. Step 6: Final answer
    x = 99,454.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.